Ok, got the switches back. I had added them to the room plan $HiddenDevices which made them..... drumroll.... hidden!

Yes, I know @waltervi but so far it has been a bit too complicated for me to get MQTT and Docker up and running properly.

I can create users on all levels and add newly created switches, but the first five that I've used (that are connected to switches) aren't showing any more. I've tried both ...

Is there a way to solve this and get the switches back without upgrading further? I'm on the latest stable and don't want to upgrade further to lose the Z-wave functionality. The devices disappeared when I added another user and started to fiddle around with the settings.

Version: 2023…2
Build Hash ...

Got it working! Amazing. Followed this post: viewtopic.php?p=220803#p220803. Thanks for the help!

Ok, thanks for the confirmation. Then I'll need to investigate further with the assumption that it is at least not the Domoticz version that is incapable. I've upgraded the OS since I successfully ran the hardware with the same setup. Any advice on things I can check to investigate whats wrong? At ...

Linux raspberrypi 6…1…21+ #1642 Mon Apr 3 17:19:14 BST 2023 armv6l

processor : 0
model name : ARMv6-compatible processor rev 7 (v6l)
BogoMIPS : 697…95
Features : half thumb fastmult vfp edsp java tls
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x0
CPU part : 0xb76
CPU revision : 7 ...

I am running an installation with OZW:
Version: 2023…2
Build Hash: 19efd039c
and it works great.

I also have a similar setup but where I needed to reinstall Domoticz. It is now running the same version:
Version: 2023…2
Build Hash: 19efd039c

but when I add the OpenZWave hardware I get a red "Setup ...